Track-lighting power supply



FIG. 1 is a perspective view of a track-lighting power supply showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view threreof.

The broken-line disclosure of a cord and plug in the views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for track-lighting power supply, as shown and described. 